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X(72392) = X(110)X(3164)∩X(112)X(3168) Barycentrics (a^10*b^2 - 2*a^8*b^4 + 2*a^6*b^6 - 2*a^4*b^8 + a^2*b^10 - a^10*c^2 - 2*a^8*b^2*c^...
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X(5459) Let ABC be a triangle, let A', B', C' be the midpoints of BC, CA, AB. Let L_a be the perpendicular through A' ...
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Theorem 1. Let ABC be an equilateral triangle and P a point. The Euler lines of the triangles PBC,PCA,PAB are concurent.Denote the point ...

Do you have the English version of this problem?
ΑπάντησηΔιαγραφήIt looks a nice problem! No, I don't.
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